Finding the Fourth Proportional to 17,490,460.78, 26,239,529.49 and 5,360,836.60
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Solution
The fourth proportional to 17,490,460.78, 26,239,529.49 and 5,360,836.60 is: 8,042,431.35
Step by Step Solution
- Step 1: Write the proportion equation
17,490,460.78 : 26,239,529.49 = 5,360,836.60 : x - Step 2: Convert to fraction form
17,490,460.78/26,239,529.49 = 5,360,836.60/x - Step 3: Cross multiply
17,490,460.78x = 26,239,529.49 × 5,360,836.60 - Step 4: Simplify right side
17,490,460.78x = 140,665,830,056,771.31 - Step 5: Solve for x
x = 140,665,830,056,771.31/17,490,460.78 - Step 6: Final answer
x = 8,042,431.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.